org.forgerock.http.handler

Class Handlers

java.lang.Object

org.forgerock.http.handler.Handlers

public final class Handlers
extends Object

Utility methods for creating common types of handlers.

Method Summary

Modifier and Type	Method and Description
static DescribableHandler	asDescribableHandler(Handler handler) Adapts a Handler to a DescribableHandler without adding support for API Descriptions if it is not already implemented.
static DescribableHandler	chainOf(Handler handler, Filter... filters) Creates a Handler which wraps the provided filters around the provided target handler.
static DescribableHandler	chainOf(Handler handler, List<Filter> filters) Creates a Handler which wraps the provided filters around the provided target handler.
static DescribableHandler	filtered(Handler handler, Filter filter) Creates a "filtered handler" instance.
static Handler	internalServerErrorHandler(Exception cause) A common HTTP Framework Handler responding 500 Internal Server Error.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

filtered

public static DescribableHandler filtered(Handler handler,
                                          Filter filter)

Creates a "filtered handler" instance.

It will invoke the first filter, giving it the handler handler as next.

Parameters:

handler - The filtered instance

filter - the filter to apply

Returns:

a new Handler instance that filters the given handler.

chainOf

public static DescribableHandler chainOf(Handler handler,
                                         Filter... filters)

Creates a Handler which wraps the provided filters around the provided target handler.

Parameters:

handler - The target handler which will be invoked once processing has reached the end of the filter chain.

filters - The list of filters to be processed before invoking the target.

Returns:

A Handler.

See Also:

chainOf(Handler, List)

chainOf

public static DescribableHandler chainOf(Handler handler,
                                         List<Filter> filters)

Creates a Handler which wraps the provided filters around the provided target handler.

Parameters:

handler - The target handler which will be invoked once processing has reached the end of the filter chain.

filters - The list of filters to be processed before invoking the target.

Returns:

A Handler.

See Also:

chainOf(Handler, Filter...)

asDescribableHandler

public static DescribableHandler asDescribableHandler(Handler handler)

Adapts a Handler to a DescribableHandler without adding support for API Descriptions if it is not already implemented.

Parameters:

handler - The handler.

Returns:

The describable handler.

internalServerErrorHandler

public static Handler internalServerErrorHandler(Exception cause)

A common HTTP Framework Handler responding 500 Internal Server Error.

Parameters:

cause - The cause of the internal server error.

Returns:

The handler.